./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/list_flag_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/list_flag_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ebd5b9a3160cad0f8876c1414f4b918e994ed8d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:37:26,688 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:37:26,689 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:37:26,696 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:37:26,696 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:37:26,696 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:37:26,697 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:37:26,698 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:37:26,700 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:37:26,700 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:37:26,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:37:26,701 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:37:26,702 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:37:26,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:37:26,703 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:37:26,703 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:37:26,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:37:26,705 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:37:26,706 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:37:26,707 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:37:26,708 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:37:26,708 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:37:26,710 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:37:26,710 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:37:26,710 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:37:26,711 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:37:26,712 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:37:26,712 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:37:26,712 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:37:26,713 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:37:26,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:37:26,713 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:37:26,714 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:37:26,714 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:37:26,714 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:37:26,715 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:37:26,715 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 03:37:26,722 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:37:26,722 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:37:26,723 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:37:26,723 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 03:37:26,724 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:37:26,724 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:37:26,724 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:37:26,724 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:37:26,724 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:37:26,724 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:37:26,725 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:37:26,725 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:37:26,725 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:37:26,725 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:37:26,725 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:37:26,725 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:37:26,725 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:37:26,725 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:37:26,726 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 03:37:26,726 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 03:37:26,726 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:37:26,726 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:37:26,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:37:26,726 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:37:26,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:37:26,727 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:37:26,727 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 03:37:26,727 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:37:26,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:37:26,727 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ebd5b9a3160cad0f8876c1414f4b918e994ed8d [2018-11-23 03:37:26,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:37:26,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:37:26,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:37:26,764 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:37:26,765 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:37:26,765 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/../../sv-benchmarks/c/list-properties/list_flag_false-unreach-call_false-valid-memcleanup.i [2018-11-23 03:37:26,810 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/data/389ed48e8/541fe115f1f04ffb8482359711921ce6/FLAGc0683ba98 [2018-11-23 03:37:27,253 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:37:27,254 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/sv-benchmarks/c/list-properties/list_flag_false-unreach-call_false-valid-memcleanup.i [2018-11-23 03:37:27,261 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/data/389ed48e8/541fe115f1f04ffb8482359711921ce6/FLAGc0683ba98 [2018-11-23 03:37:27,272 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/data/389ed48e8/541fe115f1f04ffb8482359711921ce6 [2018-11-23 03:37:27,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:37:27,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:37:27,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:37:27,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:37:27,279 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:37:27,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cfc58e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27, skipping insertion in model container [2018-11-23 03:37:27,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:37:27,320 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:37:27,509 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:37:27,517 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:37:27,587 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:37:27,618 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:37:27,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27 WrapperNode [2018-11-23 03:37:27,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:37:27,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:37:27,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:37:27,619 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:37:27,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:37:27,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:37:27,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:37:27,646 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:37:27,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,654 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:37:27,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:37:27,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:37:27,662 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:37:27,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:37:27,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:37:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 03:37:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 03:37:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure exit [2018-11-23 03:37:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 03:37:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 03:37:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 03:37:27,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:37:27,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:37:27,919 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:37:27,919 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 03:37:27,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:27 BoogieIcfgContainer [2018-11-23 03:37:27,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:37:27,920 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 03:37:27,920 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 03:37:27,926 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 03:37:27,927 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:27" (1/1) ... [2018-11-23 03:37:27,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:37:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:37:27,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-23 03:37:27,958 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-23 03:37:27,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 03:37:27,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:37:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:37:28,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:37:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:37:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-11-23 03:37:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-11-23 03:37:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 03:37:28,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:37:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:37:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:37:28,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:37:28,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2018-11-23 03:37:28,192 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-11-23 03:37:28,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 03:37:28,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:37:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:37:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:37:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:37:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2018-11-23 03:37:28,235 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2018-11-23 03:37:28,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 03:37:28,236 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:37:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:37:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:37:28,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:37:28,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2018-11-23 03:37:28,366 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2018-11-23 03:37:28,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 03:37:28,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:37:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:37:28,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:37:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:37:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 43 transitions. [2018-11-23 03:37:28,481 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2018-11-23 03:37:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 03:37:28,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:37:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:37:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:37:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:37:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:37:28,564 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~nondet0, main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet2, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem5, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem7, main_#t~mem9, main_~flag~0, main_~p~0.base, main_~p~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~flag~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~p~0.base, main_~p~0.offset;havoc main_~a~0.base, main_~a~0.offset;havoc main_~t~0.base, main_~t~0.offset;call main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.alloc(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc1.base, main_#t~malloc1.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0] [?] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0] [?] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0] [?] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~nondet2|=(- 1)] [?] assume !!(0 != main_#t~nondet2);havoc main_#t~nondet2;BeginParallelComposition{ParallelCodeBlock0: assume 0 != main_~flag~0;call write~int(1, main_~p~0.base, main_~p~0.offset, 4);ParallelCodeBlock1: assume !(0 != main_~flag~0);call write~int(2, main_~p~0.base, main_~p~0.offset, 4);}EndParallelCompositioncall main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.alloc(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=10, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=10, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0, |ULTIMATE.start_main_#t~nondet2|=0] [?] assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=10, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] call write~int(3, main_~p~0.base, main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] assume !(0 != main_~flag~0); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] call main_#t~mem7 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0, |ULTIMATE.start_main_#t~mem7|=2] [?] assume !(1 == main_#t~mem7);havoc main_#t~mem7; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] call main_#t~mem9 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0, |ULTIMATE.start_main_#t~mem9|=2] [?] assume 3 != main_#t~mem9;havoc main_#t~mem9; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet2, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem5, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem7, main_#t~mem9, main_~flag~0, main_~p~0.base, main_~p~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset; [L627] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L627] main_~flag~0 := main_#t~nondet0; [L627] havoc main_#t~nondet0; [L628] havoc main_~p~0.base, main_~p~0.offset; [L628] havoc main_~a~0.base, main_~a~0.offset; [L628] havoc main_~t~0.base, main_~t~0.offset; [L629] call main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.alloc(8); [L629] main_~a~0.base, main_~a~0.offset := main_#t~malloc1.base, main_#t~malloc1.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0] [L630] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0] [L631] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~nondet2=-1, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0] [L632-L642] assume !!(0 != main_#t~nondet2); [L632] havoc main_#t~nondet2; [L633-L637] assume !(0 != main_~flag~0); [L636] call write~int(2, main_~p~0.base, main_~p~0.offset, 4); [L638] call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.alloc(8); [L638] main_~t~0.base, main_~t~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L639] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L640] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4); [L641] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4); [L641] main_~p~0.base, main_~p~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L641] havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~nondet2=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L632-L642] assume !(0 != main_#t~nondet2); [L632] havoc main_#t~nondet2; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L643] call write~int(3, main_~p~0.base, main_~p~0.offset, 4); [L644] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L645-L650] assume !(0 != main_~flag~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L649] call main_#t~mem7 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~mem7=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L649-L650] assume !(1 == main_#t~mem7); [L649] havoc main_#t~mem7; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L651] call main_#t~mem9 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~mem9=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L651-L652] assume 3 != main_#t~mem9; [L651] havoc main_#t~mem9; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L652] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet2, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem5, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem7, main_#t~mem9, main_~flag~0, main_~p~0.base, main_~p~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset; [L627] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L627] main_~flag~0 := main_#t~nondet0; [L627] havoc main_#t~nondet0; [L628] havoc main_~p~0.base, main_~p~0.offset; [L628] havoc main_~a~0.base, main_~a~0.offset; [L628] havoc main_~t~0.base, main_~t~0.offset; [L629] call main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.alloc(8); [L629] main_~a~0.base, main_~a~0.offset := main_#t~malloc1.base, main_#t~malloc1.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0] [L630] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0] [L631] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~nondet2=-1, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0] [L632-L642] assume !!(0 != main_#t~nondet2); [L632] havoc main_#t~nondet2; [L633-L637] assume !(0 != main_~flag~0); [L636] call write~int(2, main_~p~0.base, main_~p~0.offset, 4); [L638] call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.alloc(8); [L638] main_~t~0.base, main_~t~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L639] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L640] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4); [L641] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4); [L641] main_~p~0.base, main_~p~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L641] havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~nondet2=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L632-L642] assume !(0 != main_#t~nondet2); [L632] havoc main_#t~nondet2; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L643] call write~int(3, main_~p~0.base, main_~p~0.offset, 4); [L644] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L645-L650] assume !(0 != main_~flag~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L649] call main_#t~mem7 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~mem7=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L649-L650] assume !(1 == main_#t~mem7); [L649] havoc main_#t~mem7; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L651] call main_#t~mem9 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~mem9=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L651-L652] assume 3 != main_#t~mem9; [L651] havoc main_#t~mem9; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L652] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~malloc1, main_#t~malloc3, main_#t~mem4, main_#t~nondet2, main_#t~mem6, main_#t~mem5, main_#t~mem8, main_#t~mem7, main_#t~mem9, main_~flag~0, main_~p~0, main_~a~0, main_~t~0; [L627] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L627] main_~flag~0 := main_#t~nondet0; [L627] havoc main_#t~nondet0; [L628] havoc main_~p~0; [L628] havoc main_~a~0; [L628] havoc main_~t~0; [L629] FCALL call main_#t~malloc1 := #Ultimate.alloc(8); [L629] main_~a~0 := main_#t~malloc1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0] [L630] COND FALSE !(main_~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0] [L631] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~nondet2=-1, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0] [L632-L642] COND FALSE !(!(0 != main_#t~nondet2)) [L632] havoc main_#t~nondet2; [L633-L637] COND FALSE !(0 != main_~flag~0) [L636] FCALL call write~int(2, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L638] FCALL call main_#t~malloc3 := #Ultimate.alloc(8); [L638] main_~t~0 := main_#t~malloc3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L639] COND FALSE !(main_~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L640] FCALL call write~$Pointer$(main_~t~0, { base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L641] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L641] main_~p~0 := main_#t~mem4; [L641] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~nondet2=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L632-L642] COND TRUE !(0 != main_#t~nondet2) [L632] havoc main_#t~nondet2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L643] FCALL call write~int(3, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L644] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L645-L650] COND FALSE !(0 != main_~flag~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L649] FCALL call main_#t~mem7 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~mem7=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L649-L650] COND TRUE !(1 == main_#t~mem7) [L649] havoc main_#t~mem7; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L651] FCALL call main_#t~mem9 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~mem9=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L651] COND TRUE 3 != main_#t~mem9 [L651] havoc main_#t~mem9; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L652] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~malloc1, main_#t~malloc3, main_#t~mem4, main_#t~nondet2, main_#t~mem6, main_#t~mem5, main_#t~mem8, main_#t~mem7, main_#t~mem9, main_~flag~0, main_~p~0, main_~a~0, main_~t~0; [L627] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L627] main_~flag~0 := main_#t~nondet0; [L627] havoc main_#t~nondet0; [L628] havoc main_~p~0; [L628] havoc main_~a~0; [L628] havoc main_~t~0; [L629] FCALL call main_#t~malloc1 := #Ultimate.alloc(8); [L629] main_~a~0 := main_#t~malloc1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0] [L630] COND FALSE !(main_~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0] [L631] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~nondet2=-1, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0] [L632-L642] COND FALSE !(!(0 != main_#t~nondet2)) [L632] havoc main_#t~nondet2; [L633-L637] COND FALSE !(0 != main_~flag~0) [L636] FCALL call write~int(2, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L638] FCALL call main_#t~malloc3 := #Ultimate.alloc(8); [L638] main_~t~0 := main_#t~malloc3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L639] COND FALSE !(main_~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L640] FCALL call write~$Pointer$(main_~t~0, { base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L641] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L641] main_~p~0 := main_#t~mem4; [L641] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~nondet2=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L632-L642] COND TRUE !(0 != main_#t~nondet2) [L632] havoc main_#t~nondet2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L643] FCALL call write~int(3, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L644] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L645-L650] COND FALSE !(0 != main_~flag~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L649] FCALL call main_#t~mem7 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~mem7=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L649-L650] COND TRUE !(1 == main_#t~mem7) [L649] havoc main_#t~mem7; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L651] FCALL call main_#t~mem9 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~mem9=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L651] COND TRUE 3 != main_#t~mem9 [L651] havoc main_#t~mem9; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L652] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L627] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L627] ~flag~0 := #t~nondet0; [L627] havoc #t~nondet0; [L628] havoc ~p~0; [L628] havoc ~a~0; [L628] havoc ~t~0; [L629] FCALL call #t~malloc1 := #Ultimate.alloc(8); [L629] ~a~0 := #t~malloc1; VAL [#NULL!base=0, #NULL!offset=0] [L630] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L631] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L642] COND FALSE !(!(0 != #t~nondet2)) [L632] havoc #t~nondet2; [L633-L637] COND FALSE !(0 != ~flag~0) [L636] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L638] FCALL call #t~malloc3 := #Ultimate.alloc(8); [L638] ~t~0 := #t~malloc3; VAL [#NULL!base=0, #NULL!offset=0] [L639] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L640] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L641] FCALL call #t~mem4 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L641] ~p~0 := #t~mem4; [L641] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L642] COND TRUE !(0 != #t~nondet2) [L632] havoc #t~nondet2; VAL [#NULL!base=0, #NULL!offset=0] [L643] FCALL call write~int(3, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L644] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L645-L650] COND FALSE !(0 != ~flag~0) VAL [#NULL!base=0, #NULL!offset=0] [L649] FCALL call #t~mem7 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L649-L650] COND TRUE !(1 == #t~mem7) [L649] havoc #t~mem7; VAL [#NULL!base=0, #NULL!offset=0] [L651] FCALL call #t~mem9 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L651] COND TRUE 3 != #t~mem9 [L651] havoc #t~mem9; VAL [#NULL!base=0, #NULL!offset=0] [L652] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L627] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L627] ~flag~0 := #t~nondet0; [L627] havoc #t~nondet0; [L628] havoc ~p~0; [L628] havoc ~a~0; [L628] havoc ~t~0; [L629] FCALL call #t~malloc1 := #Ultimate.alloc(8); [L629] ~a~0 := #t~malloc1; VAL [#NULL!base=0, #NULL!offset=0] [L630] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L631] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L642] COND FALSE !(!(0 != #t~nondet2)) [L632] havoc #t~nondet2; [L633-L637] COND FALSE !(0 != ~flag~0) [L636] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L638] FCALL call #t~malloc3 := #Ultimate.alloc(8); [L638] ~t~0 := #t~malloc3; VAL [#NULL!base=0, #NULL!offset=0] [L639] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L640] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L641] FCALL call #t~mem4 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L641] ~p~0 := #t~mem4; [L641] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L642] COND TRUE !(0 != #t~nondet2) [L632] havoc #t~nondet2; VAL [#NULL!base=0, #NULL!offset=0] [L643] FCALL call write~int(3, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L644] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L645-L650] COND FALSE !(0 != ~flag~0) VAL [#NULL!base=0, #NULL!offset=0] [L649] FCALL call #t~mem7 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L649-L650] COND TRUE !(1 == #t~mem7) [L649] havoc #t~mem7; VAL [#NULL!base=0, #NULL!offset=0] [L651] FCALL call #t~mem9 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L651] COND TRUE 3 != #t~mem9 [L651] havoc #t~mem9; VAL [#NULL!base=0, #NULL!offset=0] [L652] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L627] int flag = __VERIFIER_nondet_int(); [L628] List p, a, t; [L629] a = (List) malloc(sizeof(struct node)) [L630] COND FALSE !(a == 0) [L631] p = a [L632] COND TRUE __VERIFIER_nondet_int() [L633] COND FALSE !(\read(flag)) [L636] p->h = 2 [L638] t = (List) malloc(sizeof(struct node)) [L639] COND FALSE !(t == 0) [L640] p->n = t [L641] EXPR p->n [L641] p = p->n [L632] COND FALSE !(__VERIFIER_nondet_int()) [L643] p->h = 3 [L644] p = a [L645] COND FALSE !(\read(flag)) [L649] EXPR p->h [L649] COND FALSE !(p->h == 1) [L651] EXPR p->h [L651] COND TRUE p->h != 3 [L652] __VERIFIER_error() ----- [2018-11-23 03:37:28,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:37:28 ImpRootNode [2018-11-23 03:37:28,619 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 03:37:28,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:37:28,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:37:28,619 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:37:28,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:27" (3/4) ... [2018-11-23 03:37:28,622 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];havoc main_#res;havoc main_#t~nondet0, main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet2, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem5, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem7, main_#t~mem9, main_~flag~0, main_~p~0.base, main_~p~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~flag~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~p~0.base, main_~p~0.offset;havoc main_~a~0.base, main_~a~0.offset;havoc main_~t~0.base, main_~t~0.offset;call main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.alloc(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc1.base, main_#t~malloc1.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0] [?] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0] [?] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0] [?] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~nondet2|=(- 1)] [?] assume !!(0 != main_#t~nondet2);havoc main_#t~nondet2;BeginParallelComposition{ParallelCodeBlock0: assume 0 != main_~flag~0;call write~int(1, main_~p~0.base, main_~p~0.offset, 4);ParallelCodeBlock1: assume !(0 != main_~flag~0);call write~int(2, main_~p~0.base, main_~p~0.offset, 4);}EndParallelCompositioncall main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.alloc(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem4.base, main_#t~mem4.offset;havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=10, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=10, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0, |ULTIMATE.start_main_#t~nondet2|=0] [?] assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=10, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] call write~int(3, main_~p~0.base, main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] assume !(0 != main_~flag~0); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] call main_#t~mem7 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0, |ULTIMATE.start_main_#t~mem7|=2] [?] assume !(1 == main_#t~mem7);havoc main_#t~mem7; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] call main_#t~mem9 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0, |ULTIMATE.start_main_#t~mem9|=2] [?] assume 3 != main_#t~mem9;havoc main_#t~mem9; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] assume !false; VAL [ULTIMATE.start_main_~a~0.base=5, ULTIMATE.start_main_~a~0.offset=0, ULTIMATE.start_main_~flag~0=0, ULTIMATE.start_main_~p~0.base=5, ULTIMATE.start_main_~p~0.offset=0, ULTIMATE.start_main_~t~0.base=10, ULTIMATE.start_main_~t~0.offset=0, |#NULL.base|=0, |#NULL.offset|=0, |ULTIMATE.start_main_#t~malloc1.base|=5, |ULTIMATE.start_main_#t~malloc1.offset|=0, |ULTIMATE.start_main_#t~malloc3.base|=10, |ULTIMATE.start_main_#t~malloc3.offset|=0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet2, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem5, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem7, main_#t~mem9, main_~flag~0, main_~p~0.base, main_~p~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset; [L627] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L627] main_~flag~0 := main_#t~nondet0; [L627] havoc main_#t~nondet0; [L628] havoc main_~p~0.base, main_~p~0.offset; [L628] havoc main_~a~0.base, main_~a~0.offset; [L628] havoc main_~t~0.base, main_~t~0.offset; [L629] call main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.alloc(8); [L629] main_~a~0.base, main_~a~0.offset := main_#t~malloc1.base, main_#t~malloc1.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0] [L630] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0] [L631] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~nondet2=-1, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0] [L632-L642] assume !!(0 != main_#t~nondet2); [L632] havoc main_#t~nondet2; [L633-L637] assume !(0 != main_~flag~0); [L636] call write~int(2, main_~p~0.base, main_~p~0.offset, 4); [L638] call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.alloc(8); [L638] main_~t~0.base, main_~t~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L639] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L640] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4); [L641] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4); [L641] main_~p~0.base, main_~p~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L641] havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~nondet2=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L632-L642] assume !(0 != main_#t~nondet2); [L632] havoc main_#t~nondet2; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L643] call write~int(3, main_~p~0.base, main_~p~0.offset, 4); [L644] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L645-L650] assume !(0 != main_~flag~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L649] call main_#t~mem7 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~mem7=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L649-L650] assume !(1 == main_#t~mem7); [L649] havoc main_#t~mem7; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L651] call main_#t~mem9 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~mem9=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L651-L652] assume 3 != main_#t~mem9; [L651] havoc main_#t~mem9; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L652] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~malloc1.base, main_#t~malloc1.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~mem4.base, main_#t~mem4.offset, main_#t~nondet2, main_#t~mem6.base, main_#t~mem6.offset, main_#t~mem5, main_#t~mem8.base, main_#t~mem8.offset, main_#t~mem7, main_#t~mem9, main_~flag~0, main_~p~0.base, main_~p~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset; [L627] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L627] main_~flag~0 := main_#t~nondet0; [L627] havoc main_#t~nondet0; [L628] havoc main_~p~0.base, main_~p~0.offset; [L628] havoc main_~a~0.base, main_~a~0.offset; [L628] havoc main_~t~0.base, main_~t~0.offset; [L629] call main_#t~malloc1.base, main_#t~malloc1.offset := #Ultimate.alloc(8); [L629] main_~a~0.base, main_~a~0.offset := main_#t~malloc1.base, main_#t~malloc1.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0] [L630] assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0] [L631] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~nondet2=-1, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0] [L632-L642] assume !!(0 != main_#t~nondet2); [L632] havoc main_#t~nondet2; [L633-L637] assume !(0 != main_~flag~0); [L636] call write~int(2, main_~p~0.base, main_~p~0.offset, 4); [L638] call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.alloc(8); [L638] main_~t~0.base, main_~t~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L639] assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L640] call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4); [L641] call main_#t~mem4.base, main_#t~mem4.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4); [L641] main_~p~0.base, main_~p~0.offset := main_#t~mem4.base, main_#t~mem4.offset; [L641] havoc main_#t~mem4.base, main_#t~mem4.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~nondet2=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L632-L642] assume !(0 != main_#t~nondet2); [L632] havoc main_#t~nondet2; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=10, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L643] call write~int(3, main_~p~0.base, main_~p~0.offset, 4); [L644] main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L645-L650] assume !(0 != main_~flag~0); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L649] call main_#t~mem7 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~mem7=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L649-L650] assume !(1 == main_#t~mem7); [L649] havoc main_#t~mem7; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L651] call main_#t~mem9 := read~int(main_~p~0.base, main_~p~0.offset, 4); VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_#t~mem9=2, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L651-L652] assume 3 != main_#t~mem9; [L651] havoc main_#t~mem9; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [L652] assert false; VAL [#NULL.base=0, #NULL.offset=0, main_#t~malloc1.base=5, main_#t~malloc1.offset=0, main_#t~malloc3.base=10, main_#t~malloc3.offset=0, main_~a~0.base=5, main_~a~0.offset=0, main_~flag~0=0, main_~p~0.base=5, main_~p~0.offset=0, main_~t~0.base=10, main_~t~0.offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~malloc1, main_#t~malloc3, main_#t~mem4, main_#t~nondet2, main_#t~mem6, main_#t~mem5, main_#t~mem8, main_#t~mem7, main_#t~mem9, main_~flag~0, main_~p~0, main_~a~0, main_~t~0; [L627] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L627] main_~flag~0 := main_#t~nondet0; [L627] havoc main_#t~nondet0; [L628] havoc main_~p~0; [L628] havoc main_~a~0; [L628] havoc main_~t~0; [L629] FCALL call main_#t~malloc1 := #Ultimate.alloc(8); [L629] main_~a~0 := main_#t~malloc1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0] [L630] COND FALSE !(main_~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0] [L631] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~nondet2=-1, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0] [L632-L642] COND FALSE !(!(0 != main_#t~nondet2)) [L632] havoc main_#t~nondet2; [L633-L637] COND FALSE !(0 != main_~flag~0) [L636] FCALL call write~int(2, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L638] FCALL call main_#t~malloc3 := #Ultimate.alloc(8); [L638] main_~t~0 := main_#t~malloc3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L639] COND FALSE !(main_~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L640] FCALL call write~$Pointer$(main_~t~0, { base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L641] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L641] main_~p~0 := main_#t~mem4; [L641] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~nondet2=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L632-L642] COND TRUE !(0 != main_#t~nondet2) [L632] havoc main_#t~nondet2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L643] FCALL call write~int(3, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L644] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L645-L650] COND FALSE !(0 != main_~flag~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L649] FCALL call main_#t~mem7 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~mem7=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L649-L650] COND TRUE !(1 == main_#t~mem7) [L649] havoc main_#t~mem7; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L651] FCALL call main_#t~mem9 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~mem9=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L651] COND TRUE 3 != main_#t~mem9 [L651] havoc main_#t~mem9; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L652] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~malloc1, main_#t~malloc3, main_#t~mem4, main_#t~nondet2, main_#t~mem6, main_#t~mem5, main_#t~mem8, main_#t~mem7, main_#t~mem9, main_~flag~0, main_~p~0, main_~a~0, main_~t~0; [L627] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L627] main_~flag~0 := main_#t~nondet0; [L627] havoc main_#t~nondet0; [L628] havoc main_~p~0; [L628] havoc main_~a~0; [L628] havoc main_~t~0; [L629] FCALL call main_#t~malloc1 := #Ultimate.alloc(8); [L629] main_~a~0 := main_#t~malloc1; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0] [L630] COND FALSE !(main_~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0] [L631] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~nondet2=-1, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0] [L632-L642] COND FALSE !(!(0 != main_#t~nondet2)) [L632] havoc main_#t~nondet2; [L633-L637] COND FALSE !(0 != main_~flag~0) [L636] FCALL call write~int(2, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L638] FCALL call main_#t~malloc3 := #Ultimate.alloc(8); [L638] main_~t~0 := main_#t~malloc3; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L639] COND FALSE !(main_~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L640] FCALL call write~$Pointer$(main_~t~0, { base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L641] FCALL call main_#t~mem4 := read~$Pointer$({ base: main_~p~0!base, offset: 4 + main_~p~0!offset }, 4); [L641] main_~p~0 := main_#t~mem4; [L641] havoc main_#t~mem4; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L632] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~nondet2=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L632-L642] COND TRUE !(0 != main_#t~nondet2) [L632] havoc main_#t~nondet2; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=10, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L643] FCALL call write~int(3, { base: main_~p~0!base, offset: main_~p~0!offset }, 4); [L644] main_~p~0 := main_~a~0; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L645-L650] COND FALSE !(0 != main_~flag~0) VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L649] FCALL call main_#t~mem7 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~mem7=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L649-L650] COND TRUE !(1 == main_#t~mem7) [L649] havoc main_#t~mem7; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L651] FCALL call main_#t~mem9 := read~int({ base: main_~p~0!base, offset: main_~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_#t~mem9=2, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L651] COND TRUE 3 != main_#t~mem9 [L651] havoc main_#t~mem9; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [L652] assert false; VAL [#NULL!base=0, #NULL!offset=0, main_#t~malloc1!base=5, main_#t~malloc1!offset=0, main_#t~malloc3!base=10, main_#t~malloc3!offset=0, main_~a~0!base=5, main_~a~0!offset=0, main_~flag~0=0, main_~p~0!base=5, main_~p~0!offset=0, main_~t~0!base=10, main_~t~0!offset=0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L627] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L627] ~flag~0 := #t~nondet0; [L627] havoc #t~nondet0; [L628] havoc ~p~0; [L628] havoc ~a~0; [L628] havoc ~t~0; [L629] FCALL call #t~malloc1 := #Ultimate.alloc(8); [L629] ~a~0 := #t~malloc1; VAL [#NULL!base=0, #NULL!offset=0] [L630] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L631] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L642] COND FALSE !(!(0 != #t~nondet2)) [L632] havoc #t~nondet2; [L633-L637] COND FALSE !(0 != ~flag~0) [L636] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L638] FCALL call #t~malloc3 := #Ultimate.alloc(8); [L638] ~t~0 := #t~malloc3; VAL [#NULL!base=0, #NULL!offset=0] [L639] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L640] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L641] FCALL call #t~mem4 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L641] ~p~0 := #t~mem4; [L641] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L642] COND TRUE !(0 != #t~nondet2) [L632] havoc #t~nondet2; VAL [#NULL!base=0, #NULL!offset=0] [L643] FCALL call write~int(3, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L644] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L645-L650] COND FALSE !(0 != ~flag~0) VAL [#NULL!base=0, #NULL!offset=0] [L649] FCALL call #t~mem7 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L649-L650] COND TRUE !(1 == #t~mem7) [L649] havoc #t~mem7; VAL [#NULL!base=0, #NULL!offset=0] [L651] FCALL call #t~mem9 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L651] COND TRUE 3 != #t~mem9 [L651] havoc #t~mem9; VAL [#NULL!base=0, #NULL!offset=0] [L652] assert false; VAL [#NULL!base=0, #NULL!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L627] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L627] ~flag~0 := #t~nondet0; [L627] havoc #t~nondet0; [L628] havoc ~p~0; [L628] havoc ~a~0; [L628] havoc ~t~0; [L629] FCALL call #t~malloc1 := #Ultimate.alloc(8); [L629] ~a~0 := #t~malloc1; VAL [#NULL!base=0, #NULL!offset=0] [L630] COND FALSE !(~a~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L631] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L642] COND FALSE !(!(0 != #t~nondet2)) [L632] havoc #t~nondet2; [L633-L637] COND FALSE !(0 != ~flag~0) [L636] FCALL call write~int(2, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L638] FCALL call #t~malloc3 := #Ultimate.alloc(8); [L638] ~t~0 := #t~malloc3; VAL [#NULL!base=0, #NULL!offset=0] [L639] COND FALSE !(~t~0 == { base: 0, offset: 0 }) VAL [#NULL!base=0, #NULL!offset=0] [L640] FCALL call write~$Pointer$(~t~0, { base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L641] FCALL call #t~mem4 := read~$Pointer$({ base: ~p~0!base, offset: 4 + ~p~0!offset }, 4); [L641] ~p~0 := #t~mem4; [L641] havoc #t~mem4; VAL [#NULL!base=0, #NULL!offset=0] [L632] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0] [L632-L642] COND TRUE !(0 != #t~nondet2) [L632] havoc #t~nondet2; VAL [#NULL!base=0, #NULL!offset=0] [L643] FCALL call write~int(3, { base: ~p~0!base, offset: ~p~0!offset }, 4); [L644] ~p~0 := ~a~0; VAL [#NULL!base=0, #NULL!offset=0] [L645-L650] COND FALSE !(0 != ~flag~0) VAL [#NULL!base=0, #NULL!offset=0] [L649] FCALL call #t~mem7 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L649-L650] COND TRUE !(1 == #t~mem7) [L649] havoc #t~mem7; VAL [#NULL!base=0, #NULL!offset=0] [L651] FCALL call #t~mem9 := read~int({ base: ~p~0!base, offset: ~p~0!offset }, 4); VAL [#NULL!base=0, #NULL!offset=0] [L651] COND TRUE 3 != #t~mem9 [L651] havoc #t~mem9; VAL [#NULL!base=0, #NULL!offset=0] [L652] assert false; VAL [#NULL!base=0, #NULL!offset=0] [L627] int flag = __VERIFIER_nondet_int(); [L628] List p, a, t; [L629] a = (List) malloc(sizeof(struct node)) [L630] COND FALSE !(a == 0) [L631] p = a [L632] COND TRUE __VERIFIER_nondet_int() [L633] COND FALSE !(\read(flag)) [L636] p->h = 2 [L638] t = (List) malloc(sizeof(struct node)) [L639] COND FALSE !(t == 0) [L640] p->n = t [L641] EXPR p->n [L641] p = p->n [L632] COND FALSE !(__VERIFIER_nondet_int()) [L643] p->h = 3 [L644] p = a [L645] COND FALSE !(\read(flag)) [L649] EXPR p->h [L649] COND FALSE !(p->h == 1) [L651] EXPR p->h [L651] COND TRUE p->h != 3 [L652] __VERIFIER_error() ----- [2018-11-23 03:37:28,694 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb5e3885-f72f-4fb0-8b34-f64b6a5bbbb3/bin-2019/ukojak/witness.graphml [2018-11-23 03:37:28,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:37:28,695 INFO L168 Benchmark]: Toolchain (without parser) took 1420.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -55.0 MB). Peak memory consumption was 89.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:37:28,697 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:37:28,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:37:28,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:37:28,698 INFO L168 Benchmark]: Boogie Preprocessor took 16.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:37:28,698 INFO L168 Benchmark]: RCFGBuilder took 257.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:37:28,699 INFO L168 Benchmark]: CodeCheck took 699.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:37:28,699 INFO L168 Benchmark]: Witness Printer took 75.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:37:28,702 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 448 SDtfs, 208 SDslu, 192 SDs, 0 SdLazy, 526 SolverSat, 114 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 459 GetRequests, 430 SyntacticMatches, 11 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 2461 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 652]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L627] int flag = __VERIFIER_nondet_int(); [L628] List p, a, t; [L629] a = (List) malloc(sizeof(struct node)) [L630] COND FALSE !(a == 0) [L631] p = a [L632] COND TRUE __VERIFIER_nondet_int() [L633] COND FALSE !(\read(flag)) [L636] p->h = 2 [L638] t = (List) malloc(sizeof(struct node)) [L639] COND FALSE !(t == 0) [L640] p->n = t [L641] EXPR p->n [L641] p = p->n [L632] COND FALSE !(__VERIFIER_nondet_int()) [L643] p->h = 3 [L644] p = a [L645] COND FALSE !(\read(flag)) [L649] EXPR p->h [L649] COND FALSE !(p->h == 1) [L651] EXPR p->h [L651] COND TRUE p->h != 3 [L652] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 257.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * CodeCheck took 699.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 11.5 GB. * Witness Printer took 75.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...